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Diffstat (limited to 'src/mainboard/supermicro/h8dme/get_bus_conf.c')
-rw-r--r--src/mainboard/supermicro/h8dme/get_bus_conf.c119
1 files changed, 60 insertions, 59 deletions
diff --git a/src/mainboard/supermicro/h8dme/get_bus_conf.c b/src/mainboard/supermicro/h8dme/get_bus_conf.c
index 5b16f83384..0279f8f7f6 100644
--- a/src/mainboard/supermicro/h8dme/get_bus_conf.c
+++ b/src/mainboard/supermicro/h8dme/get_bus_conf.c
@@ -31,19 +31,17 @@
#include <cpu/amd/amdk8_sysconf.h>
#include <stdlib.h>
-
// Global variables for MB layouts and these will be shared by irqtable mptable and acpi_tables
//busnum is default
- unsigned char bus_mcp55[8]; //1
- unsigned apicid_mcp55;
+unsigned char bus_mcp55[8]; //1
+unsigned apicid_mcp55;
- unsigned char bus_pcix[3]; // under bus_mcp55_2
+unsigned char bus_pcix[3]; // under bus_mcp55_2
-unsigned pci1234x[] =
-{ //Here you only need to set value in pci1234 for HT-IO that could be installed or not
- //You may need to preset pci1234 for HTIO board, please refer to src/northbridge/amd/amdk8/get_sblk_pci1234.c for detail
- 0x0000ff0,
- 0x0000ff0,
+unsigned pci1234x[] = { //Here you only need to set value in pci1234 for HT-IO that could be installed or not
+ //You may need to preset pci1234 for HTIO board, please refer to src/northbridge/amd/amdk8/get_sblk_pci1234.c for detail
+ 0x0000ff0,
+ 0x0000ff0,
// 0x0000ff0,
// 0x0000ff0,
// 0x0000ff0,
@@ -51,8 +49,8 @@ unsigned pci1234x[] =
// 0x0000ff0,
// 0x0000ff0
};
-unsigned hcdnx[] =
-{ //HT Chain device num, actually it is unit id base of every ht device in chain, assume every chain only have 4 ht device at most
+
+unsigned hcdnx[] = { //HT Chain device num, actually it is unit id base of every ht device in chain, assume every chain only have 4 ht device at most
0x20202020,
0x20202020,
// 0x20202020,
@@ -62,9 +60,8 @@ unsigned hcdnx[] =
// 0x20202020,
// 0x20202020,
};
-unsigned sbdnb;
-
+unsigned sbdnb;
static unsigned get_bus_conf_done = 0;
@@ -74,71 +71,75 @@ void get_bus_conf(void)
unsigned apicid_base;
unsigned sbdn;
- device_t dev;
- int i;
+ device_t dev;
+ int i;
- if(get_bus_conf_done==1) return; //do it only once
+ if (get_bus_conf_done == 1)
+ return; //do it only once
- get_bus_conf_done = 1;
+ get_bus_conf_done = 1;
- sysconf.hc_possible_num = ARRAY_SIZE(pci1234x);
- for(i=0;i<sysconf.hc_possible_num; i++) {
- sysconf.pci1234[i] = pci1234x[i];
- sysconf.hcdn[i] = hcdnx[i];
- }
+ sysconf.hc_possible_num = ARRAY_SIZE(pci1234x);
+ for (i = 0; i < sysconf.hc_possible_num; i++) {
+ sysconf.pci1234[i] = pci1234x[i];
+ sysconf.hcdn[i] = hcdnx[i];
+ }
- get_sblk_pci1234();
+ get_sblk_pci1234();
- sysconf.sbdn = (sysconf.hcdn[0] & 0xff); // first byte of first chain
+ sysconf.sbdn = (sysconf.hcdn[0] & 0xff); // first byte of first chain
sbdn = sysconf.sbdn;
- sbdnb = (sysconf.hcdn[1] & 0xff); // first byte of second chain
+ sbdnb = (sysconf.hcdn[1] & 0xff); // first byte of second chain
- for(i=0; i<8; i++) {
+ for (i = 0; i < 8; i++) {
bus_mcp55[i] = 0;
}
- for(i=0; i<3; i++) {
+ for (i = 0; i < 3; i++) {
bus_pcix[i] = 0;
}
-
bus_mcp55[0] = (sysconf.pci1234[0] >> 16) & 0xff;
- /* MCP55 */
- dev = dev_find_slot(bus_mcp55[0], PCI_DEVFN(sbdn + 0x06,0));
- if (dev) {
- bus_mcp55[1] = pci_read_config8(dev, PCI_SECONDARY_BUS);
- bus_mcp55[2] = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
- bus_mcp55[2]++;
- }
- else {
- printk(BIOS_DEBUG, "ERROR - could not find PCI 1:%02x.0, using defaults\n", sbdn + 0x06);
-
- bus_mcp55[1] = 2;
- bus_mcp55[2] = 3;
- }
-
- for(i=2; i<8;i++) {
- dev = dev_find_slot(bus_mcp55[0], PCI_DEVFN(sbdn + 0x0a + i - 2 , 0));
- if (dev) {
- bus_mcp55[i] = pci_read_config8(dev, PCI_SECONDARY_BUS);
- }
- else {
- printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:%02x.0, using defaults\n", bus_mcp55[0], sbdn + 0x0a + i - 2 );
- }
+ /* MCP55 */
+ dev = dev_find_slot(bus_mcp55[0], PCI_DEVFN(sbdn + 0x06, 0));
+ if (dev) {
+ bus_mcp55[1] = pci_read_config8(dev, PCI_SECONDARY_BUS);
+ bus_mcp55[2] = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
+ bus_mcp55[2]++;
+ } else {
+ printk(BIOS_DEBUG,
+ "ERROR - could not find PCI 1:%02x.0, using defaults\n",
+ sbdn + 0x06);
+
+ bus_mcp55[1] = 2;
+ bus_mcp55[2] = 3;
+ }
+
+ for (i = 2; i < 8; i++) {
+ dev =
+ dev_find_slot(bus_mcp55[0],
+ PCI_DEVFN(sbdn + 0x0a + i - 2, 0));
+ if (dev) {
+ bus_mcp55[i] = pci_read_config8(dev, PCI_SECONDARY_BUS);
+ } else {
+ printk(BIOS_DEBUG,
+ "ERROR - could not find PCI %02x:%02x.0, using defaults\n",
+ bus_mcp55[0], sbdn + 0x0a + i - 2);
}
+ }
- if(bus_mcp55[2]) {
- for(i=0;i<2; i++) {
- dev = dev_find_slot(bus_mcp55[2], PCI_DEVFN(0, i));
- if(dev) {
- bus_pcix[0] = bus_mcp55[2];
- bus_pcix[i+1] = pci_read_config8(dev, PCI_SECONDARY_BUS);
- }
+ if (bus_mcp55[2]) {
+ for (i = 0; i < 2; i++) {
+ dev = dev_find_slot(bus_mcp55[2], PCI_DEVFN(0, i));
+ if (dev) {
+ bus_pcix[0] = bus_mcp55[2];
+ bus_pcix[i + 1] =
+ pci_read_config8(dev, PCI_SECONDARY_BUS);
}
}
-
+ }
/*I/O APICs: APIC ID Version State Address*/
#if CONFIG_LOGICAL_CPUS
@@ -146,6 +147,6 @@ void get_bus_conf(void)
#else
apicid_base = CONFIG_MAX_PHYSICAL_CPUS;
#endif
- apicid_mcp55 = apicid_base+0;
+ apicid_mcp55 = apicid_base + 0;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-07 22:09:31 +0000